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Gretel Cornell

Behavior Technician in Antioch, CA · enumerated 2018.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1831690015

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Registry record

Entity type Individual (Type 1)
Name Gretel Cornell
Sex Female
Practice address 3104 Delta Fair Blvd, Antioch, CA, 94509
Phone (925) 709-6060
Enumeration date Feb 23, 2018
Last updated in NPPES Feb 23, 2018

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Where does Gretel Cornell practice?
The practice location on file with NPPES is in Antioch, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Gretel Cornell?
The National Provider Identifier (NPI) for Gretel Cornell is 1831690015, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-02-23.